Maybe some of them never entertained the idea in the first place. They all know she used to go out with Rod, and that probably sticks in their minds more since none of them have ever met any actual females she's dated.

In the Wednesday strip (2/9), last panel, are they both looking at something in particular (that we don't see), or is this posture coming from their dance steps? (Or avoiding each other's eye contact for this moment.)